Alert archive / Missouri / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 76, NWS Springfield, MO

August 19, 1987Newton County, Missouri

NWS Springfield, MO issued this severe thunderstorm warning at Aug 19, 1987, 9:33 PM CDT for Newton County, Missouri. It was in force for 57 min.

The area

The counties it named.

The facts

Issued
Aug 19, 1987, 9:33 PM CDT (02:33 UTC)
Expired
Aug 19, 1987, 10:30 PM CDT
In force
57 min
Issued by
NWS Springfield, MO
Area
Whole counties

County Newton County, MO

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Springfield, MO (KUMN), launched 00:00Z, 2.6 hours before the alert went out and 48 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Springfield, MO at 00:00Z on 1987-08-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 255 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 00:00Z on 1987-08-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
255 J/kg
Mixed-layer CIN
-176 J/kg
Mixed-layer LCL
2100 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
135 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSGF 200234
SVRSGF
MOC145-200330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
933 PM CDT WED AUG 19 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 1030 PM CDT FOR THE FOLLOWING COUNTY OF
 
SOUTHWEST MISSOURI... NEWTON
 
AT 935PM CDT RADAR INDICATED A SEVERE THUNDESTORM ABOUT 10 MILES
SOUTHWEST OF JOPLIN MISSOURI...MOVING TO THE SOUTHEAST AT 25 MPH.
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH
...LARGE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN.  FOR YOUR
PROTECTION GO TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS.
 
A TORNADO WATCH IS ALSO INX EFFECT.  BE ALERT...SEVERE
THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO WARNING.
 
GJ

The office that day

Everything else NWS Springfield, MO issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 19, 7:32 PM CDTSevere Thunderstorm WarningSGFBarton, Vernon58 min
Aug 19, 8:30 PM CDTSevere Thunderstorm WarningSGFCedar, Dade, Polk60 min
Aug 19, 8:30 PM CDTSevere Thunderstorm WarningSGFBarton, Jasper60 min
Aug 19, 9:03 PM CDTSevere Thunderstorm WarningSGFGreene, Lawrence57 min
Aug 19, 9:49 PM CDTSevere Thunderstorm WarningSGFChristian, Stone, Taney56 min
Aug 19, 9:49 PM CDTSevere Thunderstorm WarningSGFBarry, McDonald56 min

Nearby

Severe Thunderstorm Warnings in Missouri, 1987Every severe thunderstorm warning in 1987

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.